After a CIA agent mysteriously dies overseas, his top asset surfaces with a terrifying claim. There's just one problem no one knows if she can be trusted. When six exchange students go missing, two airplane passengers trade places, and one political-asylum seeker is arrested, a deadly chain of events is set in motion. With the United States facing a devastating attack, America's new president must turn to covert counterterrorism operative Scot Harvath to help carry out two of the most dangerous operations in the country's history. Shrouded in absolute secrecy, either of them, if discovered, will constitute an act of war.